Question

Clear selectic 5 po 14. A group of high school students wanted to use a decibel meter to test whether or not their classroom was noisier when their science teacher left the room. What is the dependent variable?

a. The amount of noise
b. Whether or not the science teacher left the room or not.
c. The type of students presents in the room.
d. The decibel meter​

Answer 1

a.The amount of noise

Step-by-step explanation:

The dependant variable is the variable that changes when the science teacher leaves.

Independant variable would most likely be whether or not the science teacher is in the room.

Hope this helps!